vlib/v/checker/tests/struct_arr_mut_field_arr_assign_err.vv:10:6: error: cannot assign a const array to mut struct field, call `clone` method (or use `unsafe`)
    8 | fn main() {
    9 |     mut muta := Muta{
   10 |         a: arr
      |            ~~~
   11 |     }
   12 |     muta.a[0] = 52
